From 6cab871678befc395c2c121dc9e916651006ec51 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 30 Dec 2021 15:12:56 +0100
Subject: [PATCH] Sketcher: fix build failures with MinGW

---
 src/Mod/Sketcher/App/GeoList.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/Mod/Sketcher/App/GeoList.cpp b/src/Mod/Sketcher/App/GeoList.cpp
index 289221427c..fc7139da39 100644
--- a/src/Mod/Sketcher/App/GeoList.cpp
+++ b/src/Mod/Sketcher/App/GeoList.cpp
@@ -352,7 +352,19 @@ GeoListModel<std::unique_ptr<const Sketcher::GeometryFacade>>::~GeoListModel()
 
 // instantiate the types so that other translation units can access template constructors
 template class SketcherExport GeoListModel<Part::Geometry *>;
+#if !defined(__MINGW32__)
 template class SketcherExport GeoListModel<std::unique_ptr<const Sketcher::GeometryFacade>>;
+#else
+// Remark: It looks like when implementing a method of GeoListModel for GeometryFacadeUniquePtr then under MinGW
+// the explicit template instantiation doesn't do anything. As workaround all other methods must be declared separately
+template SketcherExport const Part::Geometry* GeoListModel<GeometryFacadeUniquePtr>::getGeometryFromGeoId(int geoId) const;
+template SketcherExport const Sketcher::GeometryFacade* GeoListModel<GeometryFacadeUniquePtr>::getGeometryFacadeFromGeoId(int geoId) const;
+template SketcherExport int GeoListModel<GeometryFacadeUniquePtr>::getGeoIdFromGeomListIndex(int index) const;
+template SketcherExport int GeoListModel<GeometryFacadeUniquePtr>::getVertexIdFromGeoElementId(const Sketcher::GeoElementId &) const;
+template SketcherExport GeoElementId GeoListModel<GeometryFacadeUniquePtr>::getGeoElementIdFromVertexId(int);
+template SketcherExport Base::Vector3d GeoListModel<GeometryFacadeUniquePtr>::getPoint(int geoId, Sketcher::PointPos pos) const;
+template SketcherExport Base::Vector3d GeoListModel<GeometryFacadeUniquePtr>::getPoint(const GeoElementId &) const;
+#endif
 
 
 } // namespace Sketcher